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【单选题】
下列环烷烃中最稳定的是
A.
环丙烷
B.
环丁烷
C.
环戊烷
D.
环已烷
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参考答案:
举一反三
【单选题】According to the text, if all the newcomers are driven away from a city, it would be possible that ______
A.
the economy would be more prosperous because of convenience of management.
B.
house lease industry may decline due to lack of customers.
C.
people in the city may starve to death.
D.
everyone will involve in the process and cheer for it.
【判断题】心浊音界向左下扩大,心腰加深时,心界如梨型,称梨型心。
A.
正确
B.
错误
【简答题】Read the passage carefully. Then answer the questions or complete the statements in the fewest possible words. A new study suggests that the round-the-clock availability that cell phone have brought t...
【单选题】如果调节反应大于调节刺激量,称为( )
A.
调节超前
B.
调节反应
C.
调节滞后
D.
调节广度
【单选题】心包积液可出现
A.
心界向左下扩大,心腰加深,心界似靴型
B.
心浊音界向两侧增大,且左界向左下增大,呈普大型心
C.
心界向两侧增大,心浊音界可随体位而改变,坐位时心界呈三角形烧瓶样,卧位时心底部浊音区增宽,心尖部浊音区可变小
D.
左心房显著增大;心腰消失,左心房与肺动脉段均增大,心界如梨形
E.
以上都不是
【单选题】However, at times this balance in nature is disturbed by human activities, _______ a number of possibly unforeseen effects.
A.
lying in
B.
calling in
C.
taking in
D.
resulting in
【多选题】道德的作用主要表现在( )
A.
道德为经济基础的形成、巩固和发展服务,是一种重要的精神力量
B.
道德对其他社会意识形态的存在有着重大的影响
C.
道德通过调整人们之间的关系维护社会秩序和稳定
D.
道德是提高人的精神境界、促进入的自我完善、推动人的全面发展的内在动力
【简答题】Read the passage carefully. Then answer the questions or complete the statements in the fewest possible words. Hidden deep in our subconscious is an idyllic(牧歌般的,田园诗式的)vision. We see ourselves on a lo...
【判断题】心浊音界向左下扩大,心腰加深时,心界如梨形,称梨形心。()
A.
正确
B.
错误
【判断题】心浊音界向左下扩大,心腰加深时,心界如梨形,称梨形心。( )
A.
正确
B.
错误
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